POSEICO ARF771LTS45 Datasheet
POSEICO SPA
P
P
P
OSEICO
OSEICO SPA
Ower SEmiconduc tors Italian CO rporation
Via N. Lorenzi 8, 16152 Genova - ITALY
Tel. +39 010 6556234 - Fax +39 010 6557519
Sales Office:
Tel. +39 010 6556775 - Fax +39 010 6442510
FAST RECOVERY DIODE ARF771LT
FOR IGBT,IEGT,GCT APPLICATIONS
SNUBBERLESS OPERATION
LOW LOSSES SOFT RECOVERY
Repetitive voltage up to 4500 V
Mean forward current 1730 A
Surge current 28 kA
TARGET SPECIFICATION
mar 03 - ISSUE : 2
Symbol Characteristic Conditions
Tj
[°C]
Value Unit
BLOCKING
V RRM Repetitive peak reverse voltage 140 4500 V
RSM Non-repetitive peak reverse voltage 140 4600 V
V
I
RRM Repetitive peak reverse current V=VRRM 140 150 mA
DC LINK Permanent DC voltage 140 2800 V
V
CONDUCTING
I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 1730 A
F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 1790 A
I
FSM Surge forward current Sine wave, 10 ms 140 28 kA
I
I² t I² t
reapplied reverse voltage up to 50% VRSM
3920 x1E3 A²s
FM Forward voltage Forward current = =2500 A 140 3.95 V
V
F(TO) Threshold voltage 140 1.95 V
V
F Forward slope resistance 140 0.800 mohm
r
SWITCHING
Q rr Reverse recovery charge I F = 2500 A di/dt= 250 A/µs 140 µC
I rr Peak reverse recovery current
t rr Reverse recovery time I F = 2500 A µs
Q rr Reverse recovery charge
I rr Peak reverse recovery current
s Softness (s-factor), min
OFF Turn off energy dissipation 7J
E
FR Peak forward recovery di/dt= 500 A/µs 140 65 V
V
VR = 100 V
di/dt= 1000 A/µs
VR = 2800 V
140 A
140 A
2400
3500
1500
µC
MOUNTING
R th(j-h) Thermal impedance Junction to heatsink, double side cooled 9.5 °C/kW
th(c-h) Thermal impedance Case to heatsink, double side cooled 2 °C/kW
R
j Operating junction temperature -30 / 140 °C
T
F Mounting force 46.0 / 54.0 kN
Mass 1150 g
ORDERING INFORMATION : ARF771LT S 45
standard specification
VRRM/100
ARF771LT FAST RECOVERY DIODE
A
P
P
P
TARGET SPECIFICATION mar 03 - ISSUE : 2
OSEICO
OSEICO SP A
Ower SEmico nductors Italian COrporation
FORWARD CHARACTERISTIC
Tj = 140 °C
3500
3000
2500
2000
1500
Forward Current [A]
1000
500
0
1.2 2.2 3.2 4.2
Forward Voltage [V]
SURGE CHARACTERISTIC
Tj = 140 °C
30
25
20
15
ITSM [kA]
10
5
0
1 10 100
n° cycles
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
10.0
9.0
8.0
7.0
6.0
5.0
4.0
Zth j-h [°C/kW]
3.0
2.0
1.0
0.0
0.001 0.01 0.1 1 10 100
t[s]
Distributed by
ll the characteristics given in this data sheet are guaranteed only with uniform
clamping force, cleaned and lubricated heatsink, surfaces with flatness < .03 mm and
roughness < 2 µm.
In the interest of product improvement POSEICO reserves the right to change any
data given in this data sheet at any time without previous notice.
If not stated otherwise the maximum value of ratings (simbols over shaded
background) and characteristics is reported.
Loading...